- 20" Stainless Steel Set Back Bumper For Mack CXU Series/AnthemStarting at $1,228.78TH-M06-N20SB-30-G18" Stainless Steel Set Back Bumper For Mack CXU Series/AnthemStarting at $888.88TH-M06-N18SB-30-G16" Stainless Steel Set Back Bumper For Mack CXU Series/AnthemStarting at $864.16TH-M06-N16SB-30-GMack R, RL, F, FL, And FS 2004 And Older Stainless Steel 18 Inch Bumper With Mounting Holes$1,291.61ATA-MK-058Mack RD688 And RD690 Western Contractor Conversion 18 Inch Bumper With Mounting Holes$1,291.61ATA-MK-050Mack CH 613 And SBA 1994 Through 2004 Stainless Steel 18 Inch Bumper With Fog, Tow, And Hitch C.....$1,619.15ATA-MK-099